Kyungbo Shim

Title: Kyungbo Shim: Innovator in Thin Film Etchant Technology

Introduction

Kyungbo Shim is a notable inventor based in Jeollabuk-do, South Korea. He has made significant contributions to the field of thin film etchant technology, holding 2 patents that showcase his innovative approach to material science.

Latest Patents

Kyungbo Shim's latest patents include a thin film etchant composition and a method of forming a metal pattern using the same. The thin film etchant composition is designed to prevent the re-adsorption of etched metal while ensuring uniform etching of thin films. This composition consists of approximately 43 wt % to 46 wt % of phosphoric acid, 5 wt % to 8 wt % of nitric acid, 10 wt % to 17 wt % of acetic acid, 1 wt % to 3 wt % of iron nitrate, 0.7 wt % to 1.5 wt % of phosphate, and deionized water as the remaining component. Additionally, he has developed an etchant for manufacturing display devices, which includes 1 wt % to 15 wt % of sulfurized peroxide, 5 wt % to 10 wt % of nitric acid, 20 wt % to 40 wt % of organic acid, 0.05 wt % to 5 wt % of ferric nitrate, 0.1 wt % to 5 wt % of ionic sequestrant, and 0.1 wt % to 5 wt % of corrosion inhibitor, with deionized water making up the rest.

Career Highlights

Throughout his career, Kyungbo Shim has worked with prominent companies such as Samsung Display Co., Ltd. and Dongwoo Fine-chem Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the development of etchant technologies.

Collaborations

Kyungbo Shim has collaborated with notable coworkers, including Sangtae Kim and Giyong Nam. Their combined efforts have contributed to advancements in the field of thin film etching.

Conclusion

Kyungbo Shim's innovative work in thin film etchant technology has positioned him as a key figure in the industry. His patents reflect a commitment to enhancing manufacturing processes and improving material performance.